Airworthiness directives, 1975

248 ADs took effect in 1975. Every AD since 1946 has a page with its text, status and the registered aircraft it may apply to.

Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.makes, d.models, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE year(coalesce(d.effective_date, d.publication_date, d.issue_date)) = 1975
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Earlier years
AD 75-12-01Main Rotor Blades · Sikorsky S-61L, S-61N, S-61NM and 1 moreEffective Jun 12, 1975AD 75-14-03Autopilot · Textron 200Effective Jun 11, 1975AD 75-12-10Autopilots · M7 Aerospace 60, 95-C55, 95-C55A and 17 moreEffective Jun 11, 1975AD 75-12-04Engine Supports · Sabreliner NA-265-40 and NA-265-60Effective Jun 9, 1975AD 75-13-06Horizontal Stabilizer · Vickers-Armstrongs Viscount 744 and Viscount 745DEffective Jun 6, 1975AD 75-12-07Governors · Cessna 310P, 310Q and GovernorsEffective Jun 6, 1975AD 75-12-06Fin Forward Spar · Piper PA-24, PA-24-250, PA-24-260 and 1 moreEffective Jun 5, 1975AD 75-12-05Support Struts and Longerons · Funk Funk C, B, B75L (Army UC-92) and 1 moreEffective Jun 5, 1975AD 75-12-02Engine Fire Bottles · Bombardier CL-215-1A10Effective May 30, 1975AD 75-11-09Counterbalance · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective May 30, 1975AD 75-11-05Glare Shield Panel · Piper PA-23-250 and PA-23-250 (Navy UO-1)Effective May 20, 1975AD 75-11-04Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 moreEffective May 20, 1975AD 71-22-03Tail Rotor Bearing Block · FH1100 Manufacturing FH-1100Effective May 20, 1975AD 75-11-03Deflation System · Eagle Balloons Challenger, T and TC-4AEffective May 19, 1975AD 75-11-02Fuel Lines · Maule Aerospace Technology M-4-210, M-4-210C and M-5-210CEffective May 19, 1975AD 75-08-13Wing Engine Nose Cowl · Boeing DC-10-10, DC-10-10F, DC-10-30 and 1 moreEffective May 16, 1975AD 75-10-03Baggage Door · Piper PA-32-260 and PA-32-300Effective May 12, 1975AD 75-10-01Rotor Drive System · Hiller UH-12D, UH-12L, UH-12L4 and 2 moreEffective May 8, 1975AD 75-09-06Engine Induction Air Duct · Cessna A185E, A185F, A188 and 2 moreEffective May 5, 1975AD 72-23-01Nacelle Fire Prevention · British Aerospace Regional H.P. 137 Jetstream Mk. 1Effective May 5, 1975AD 75-09-17Protection of Passengers · MD Helicopters 369HEffective May 2, 1975AD 75-09-16Elevators, Ailerons, Rudder Control · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective May 2, 1975AD 75-09-18HistoricalCenter section truss wing spar and the outer wing panel · Beechcraft 18A, 18D and 18S (Army C-45C)Effective May 1, 1975 · Replaced by AD 75-27-09 R2AD 75-07-10Transfer Gearbox Vertical Bevel Gear Bearing · Honeywell International TFE731-2, TFE731-2A, TFE731-2B and 12 moreEffective May 1, 1975AD 75-07-09Electrical Shock · Boeing DC-10-10, DC-10-10F, DC-10-30 and 2 moreEffective May 1, 1975AD 75-09-15Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 moreEffective Apr 30, 1975AD 75-09-08Engine Mount Members · Mooney M20C, M20D, M20E and 2 moreEffective Apr 30, 1975AD 75-09-14Fuel System Failure or Fire · Sundance Balloons AX-6Effective Apr 28, 1975AD 75-09-11Collar Assembly · Boeing DC-10-10 and DC-10-10FEffective Apr 28, 1975AD 75-09-10Push-Pull Tube End Fittings · Piper PA-31, PA-31-300, PA-31-350 and 1 moreEffective Apr 28, 1975AD 75-09-07Mixture Control Wires · True Flight Holdings AA-1, AA-1A and AA-1BEffective Apr 25, 1975AD 75-09-13Turbocharger Oil Inlet Adapter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 9 moreEffective Apr 24, 1975AD 75-09-09Tail Rotor Control Tube · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 moreEffective Apr 23, 1975AD 75-09-05Pitot System · Drooped ailerons in flaps down mode, recontoured wing leading… (Sierra Industries STC SA1627WE)Effective Apr 22, 1975AD 75-09-01Under Floor Lounge · Lockheed Martin L-1011-385-1Effective Apr 21, 1975AD 75-07-01High Frequency Vibration · Bell Helicopter Textron 212Effective Apr 21, 1975AD 75-10-04Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 moreEffective Apr 17, 1975AD 75-08-19Rudder Pedals · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective Apr 17, 1975AD 75-08-16Fuel Contamination · Textron 65-90, 65-A90 and B90Effective Apr 17, 1975AD 75-09-03Wing Center Section Lower Skin · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 2 moreEffective Apr 16, 1975AD 75-06-10Cabin Roof Straps · Bell Helicopter Textron Canada 206A and 206BEffective Apr 15, 1975AD 75-08-08Opening Of Passenger Doors · Boeing DC-10-10, DC-10-30, DC-10-30F (KC-10A, KDC-10) and 1 moreEffective Apr 10, 1975AD 75-08-07Bleed Air Line · Twin Commander 690AEffective Apr 10, 1975AD 75-08-04Cargo Door Compartment Manual Light Switch · Lockheed Martin L-1011-385-1, L-1011-385-1-14 and L-1011-385-1-15Effective Apr 9, 1975AD 75-07-08Tail Assembly · Sikorsky S-58A, S-58B, S-58BT and 12 moreEffective Apr 8, 1975AD 75-07-07Emergency Hatch Handles · Sikorsky S-58B, S-58BT, S-58D and 9 moreEffective Apr 8, 1975AD 59-16-04Damper Trunnion Bolt · Sikorsky S-58A, S-58B, S-58BT and 12 moreEffective Apr 8, 1975AD 75-08-02Aileron Control Cable · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 moreEffective Apr 7, 1975AD 75-08-01Nose Landing Gear · Bombardier CL-44D4 and CL-44JEffective Apr 7, 1975AD 75-07-12Autothrottle/Speed Control · Boeing DC-10-30 and DC-10-30F (KC-10A, KDC-10)Effective Apr 7, 1975